CN211400308U - Heat pump constant temperature hot water system and control system - Google Patents
Heat pump constant temperature hot water system and control system Download PDFInfo
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- CN211400308U CN211400308U CN201922385824.6U CN201922385824U CN211400308U CN 211400308 U CN211400308 U CN 211400308U CN 201922385824 U CN201922385824 U CN 201922385824U CN 211400308 U CN211400308 U CN 211400308U
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Abstract
The utility model provides a heat pump constant temperature hot water system and a control system, which comprises a heat pump device, a preheating water tank, a heat storage water tank, a hot water circulating pump, a hot water supply pump and a pressure stabilizing tank; the utility model discloses a less preheating water tank of volume guarantees heat pump equipment's high-speed operation, has effectively improved heat pump hot water system's efficiency, has reduced heat pump equipment operating duration at well high water temperature, has reduced the heat loss of hot and cold water mixture, and constant temperature goes out water and has guaranteed the travelling comfort of terminal use side.
Description
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective technique and specifically relates to a heat pump constant temperature hot water and control system thereof, on energy-conserving basis, satisfy the user and reach homothermal requirement to heat pump hot water supply tank.
Background
The conventional water heating equipment comprises a boiler, hot water pipe network secondary heat exchange equipment, an electric water heater and the like. The heating process of the circulating heating type heat pump hot water unit is similar to that of conventional heat source equipment, heat energy needs to be transferred into water in the water tank through forced circulation of the water pump, and the heating mode utilizes outdoor air or underground soil to absorb heat, so that the energy is saved compared with a traditional hot water system. However, the unit heating capacity of the heat pump unit is small, that is, the heat performance is poor, and the heat pump unit needs to absorb air energy or soil energy to accumulate heat energy continuously, so the limit heating capacity of the heat pump design is usually based on about 15 hours a day or longer working time. Conventional heat pump hot water heating system is single water tank circulation heating, if heat pump hot water heating system can not accomplish sufficient energy storage process before the peak water period, try to accomplish hydrothermal in-time supply at the water use in-process, the direct mixture of hot and cold water can cause the temperature to neglect the height suddenly, when cold water is direct by the water tank top mend holding water tank, must bring the reduction of the mixture of whole case water and temperature, for the heat pump heating speed is relatively slow, water tank leaving water temperature must reduce. So that the problem of water mixing is more serious when the water consumption is large in winter.
If the double water tanks are connected in parallel for standby, although the influence of water mixing is small, the initial investment is influenced by large model selection, and the pipelines are complex and the heat dissipation capacity is large. Moreover, the final outlet water temperature of the heat pump unit for circulating hot water production often exceeds the set temperature by 3-5 ℃ to heat the whole water tank to the set temperature, so that the working efficiency of the heat pump is very low in a high-temperature water state.
SUMMERY OF THE UTILITY MODEL
In order to avoid muddy water problem, the power consumption problem that traditional conventional hot water system brought, the utility model provides a heat pump constant temperature hot water and control system thereof can effectual improvement hot water system's efficiency, reduces the hot-water machine at well high temperature operating duration, guarantees that the terminal constant temperature of water uses.
The technical scheme adopted by the utility model for solving the technical problems is to provide a heat pump constant temperature hot water and a control system thereof, which comprises a heat pump device, a preheating water tank, a heat storage water tank, a hot water circulating pump, a hot water supply pump and a pressure stabilizing tank; an inlet of a condenser of the heat pump equipment is connected with an outlet of a hot water circulating pump through a pipeline, an inlet pipeline of the hot water circulating pump is divided into two paths, one path is connected to a preheating water tank through an electromagnetic valve a, and the other path is connected to a heat storage water tank through an electromagnetic valve b; an outlet pipeline of a condenser of the heat pump equipment is divided into two paths, one path is connected to the preheating water tank through an electromagnetic valve c, and the other path is connected to the heat storage water tank through an electromagnetic valve d; the tap water pipe is connected to the preheating water tank through an electromagnetic valve e; the tail end of the hot water supply pump is connected with an outlet of a hot water supply pump through a water supply pipe, an inlet of the hot water supply pump is connected with the heat storage water tank, and a pressure stabilizing tank is arranged on an outlet pipeline of the hot water supply pump; the tail end of the water return pipe is connected to the heat storage water tank through a temperature control valve and an electromagnetic valve f.
Further, a controller is further arranged and is respectively connected with the heat pump equipment, the hot water circulating pump, the hot water supply pump, the electromagnetic valve a, the electromagnetic valve b, the electromagnetic valve c, the electromagnetic valve d, the electromagnetic valve e, the temperature control valve and the electromagnetic valve f through signal lines.
Further, a No. 1 liquid level transmitter and a No. 1 temperature sensor are arranged in the preheating water tank; a2 # liquid level transmitter and a 2# temperature sensor are arranged in the heat storage water tank.
Furthermore, the controller is respectively connected with the 1# liquid level transmitter, the 1# temperature sensor, the 2# liquid level transmitter and the 2# temperature sensor through signal lines.
Furthermore, a water outlet of the preheating water tank is also provided with a cyclone.
Furthermore, the volume of the preheating water tank is smaller than that of the heat storage water tank.
Further, the volume of the preheating water tank is 1/3 of the hot water storage tank.
Furthermore, the hot water supply pump is a variable frequency water pump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a less preheating water tank of volume guarantees heat pump equipment's high-speed operation, has effectively improved heat pump hot water system's efficiency, has reduced heat pump equipment operating duration in well high water temperature.
2. When the heat pump equipment operates, the outlet water temperature is reduced, the condensation temperature and the condensation pressure of the heat pump equipment are correspondingly reduced, the heat pump efficiency is improved, and meanwhile, the service life of the compressor is prolonged.
3. The utility model discloses reduced the heat loss of hot and cold water mixture, the travelling comfort of end use side has been guaranteed to the constant temperature play water.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
The system comprises a heat pump device 1, a preheating water tank 2, a heat storage water tank 3, a hot water circulating pump 4, a hot water supply pump 5, a pressure stabilizing tank 6, a controller 7, a cyclone prevention device 8, a 9.1# liquid level transmitter, a 10.2# liquid level transmitter, a 11.1# temperature sensor, a 12.2# temperature sensor, an electromagnetic valve a, an electromagnetic valve b, an electromagnetic valve c, an electromagnetic valve d, an electromagnetic valve 17, a tap water pipe 18, an electromagnetic valve e, an electromagnetic valve 19, a tail end water supply pipe 20, a tail end water return pipe 21, a temperature control valve 22 and an electromagnetic valve f.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in the attached drawings, a heat pump constant temperature hot water and a control system thereof comprise a heat pump device 1, a preheating water tank 2, a heat storage water tank 3, a hot water circulating pump 4, a hot water supply pump 5 and a pressure stabilizing tank 6; an inlet of a condenser of the heat pump device 1 is connected with an outlet of a hot water circulating pump 4 through a pipeline, the inlet pipeline of the hot water circulating pump 4 is divided into two paths, one path is connected to the preheating water tank 2 through an electromagnetic valve a13, and the other path is connected to the heat storage water tank 3 through an electromagnetic valve b 14; an outlet pipeline of a condenser of the heat pump device 1 is divided into two paths, one path is connected to the preheating water tank 2 through an electromagnetic valve c15, and the other path is connected to the heat storage water tank 3 through an electromagnetic valve d 16; the tap water pipe 17 is connected to the preheating water tank 2 through an electromagnetic valve e 18; the tail end of the hot water supply pipe 19 is connected to the outlet of the hot water supply pump 5, the inlet of the hot water supply pump 5 is connected to the hot water storage tank 3, and the outlet pipeline of the hot water supply pump 5 is provided with a pressure stabilizing tank 6; the tail end water return pipe 20 is connected to the hot water storage tank 3 through a temperature control valve 21 and an electromagnetic valve f 22.
A controller 7 is further provided, and the controller 7 is connected to the heat pump apparatus 1, the hot water circulation pump 4, the hot water supply pump 5, the electromagnetic valve a13, the electromagnetic valve b14, the electromagnetic valve c15, the electromagnetic valve d16, the electromagnetic valve e18, the thermostatic valve 21, and the electromagnetic valve f22 through signal lines.
A No. 1 liquid level transmitter 9 and a No. 1 temperature sensor 11 are arranged in the preheating water tank 2; a2 # liquid level transmitter 10 and a 2# temperature sensor 12 are arranged in the hot water storage tank 3.
The controller 7 is respectively connected with a 1# liquid level transmitter 9, a 1# temperature sensor 11, a 2# liquid level transmitter 10 and a 2# temperature sensor 12 through signal wires.
The water outlet of the preheating water tank 2 is also provided with a cyclone 8.
The volume of the preheating water tank 2 is smaller than that of the heat storage water tank 3.
The volume of the preheating water tank 2 is 1/3 of the hot water storage tank 3.
The hot water supply pump 5 is a variable frequency water pump.
The specific operation flow is as follows:
the system monitors that the water level reaches a set value L1 through a No. 1 liquid level transmitter 9, an electromagnetic valve a13, an electromagnetic valve c15 and an electromagnetic valve e18 are opened, an electromagnetic valve b14, an electromagnetic valve d16 and an electromagnetic valve f22 are closed, and the system starts to replenish water; the heat pump device 1 and the hot water circulating pump 4 operate to circularly heat the preheating water tank 2, when the water level reaches a set value L2, the 1# liquid level transmitter 9 transmits a monitored signal to the controller 7, the controller 7 sends out an instruction, and the electromagnetic valve e18 is closed; when the 1# temperature sensor 11 monitors that the temperature of water in the preheating water tank 2 reaches a set temperature, the water level of the hot water storage tank 3 is lower than L3, the electromagnetic valve c15 and the electromagnetic valve b14 are closed, the electromagnetic valve a13 and the electromagnetic valve d16 are opened, and hot water starts to be supplied to the hot water storage tank 3; when the 2# liquid level transmitter monitors that the water level in the heat storage water tank 3 reaches a set value L4, a signal is transmitted to the controller 7, the controller 7 sends out an instruction, and the heat pump device 1, the hot water circulating pump 4, the hot water supply pump 5, the electromagnetic valve a13 and the electromagnetic valve d16 are closed to complete the heat storage process.
The temperature control valve 21 monitors the return water temperature in the user tail end return pipe 20, when the return water temperature is lower than a set temperature, the temperature control valve 21 is opened, the hot water supply pump 5 is circulated until the return water temperature in the user tail end return pipe 20 is ensured to be at a set value, the water consumption of a tail end user is always constant at the moment, and the hot water does not need to be delayed for waiting; since the cold water of the user terminal water return pipe 20 enters the hot water storage tank 3 and the temperature of the water in the hot water storage tank 3 is reduced due to heat dissipation of the hot water storage tank 3, a signal can be transmitted to the controller 7 through the # 2 temperature sensor 12 in the hot water storage tank 3, the controller 7 sends an instruction, and the heat pump device 1, the hot water circulation pump 4, the electromagnetic valve b14 and the electromagnetic valve d16 are turned on to heat the water in the hot water storage tank 3 until the set temperature is reached.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (8)
1. A heat pump constant temperature hot water system which characterized in that: comprises heat pump equipment (1), a preheating water tank (2), a heat storage water tank (3), a hot water circulating pump (4), a hot water supply pump (5) and a pressure stabilizing tank (6); an inlet of a condenser of the heat pump device (1) is connected with an outlet of a hot water circulating pump (4) through a pipeline, an inlet pipeline of the hot water circulating pump (4) is divided into two paths, one path is connected to the preheating water tank (2) through an electromagnetic valve a (13), and the other path is connected to the heat storage water tank (3) through an electromagnetic valve b (14); an outlet pipeline of a condenser of the heat pump device (1) is divided into two paths, one path is connected to the preheating water tank (2) through an electromagnetic valve c (15), and the other path is connected to the heat storage water tank (3) through an electromagnetic valve d (16); the tap water pipe (17) is connected to the preheating water tank (2) through an electromagnetic valve e (18); the tail end of the hot water supply pump is connected to the outlet of a hot water supply pump (5) through a water supply pipe (19), the inlet of the hot water supply pump (5) is connected to the hot water storage tank (3), and a pressure stabilizing tank (6) is arranged on an outlet pipeline of the hot water supply pump (5); the tail end of the water return pipe (20) is connected to the heat storage water tank (3) through a temperature control valve (21) and an electromagnetic valve f (22).
2. The heat pump constant temperature hot water system as claimed in claim 1, wherein: the hot water circulating pump is characterized by further comprising a controller (7), wherein the controller (7) is respectively connected with the heat pump equipment (1), the hot water circulating pump (4), the hot water supply pump (5), the electromagnetic valve a (13), the electromagnetic valve b (14), the electromagnetic valve c (15), the electromagnetic valve d (16), the electromagnetic valve e (18), the temperature control valve (21) and the electromagnetic valve f (22) through signal lines.
3. The heat pump constant temperature hot water system as claimed in claim 1, wherein: a No. 1 liquid level transmitter (9) and a No. 1 temperature sensor (11) are arranged in the preheating water tank (2); a2 # liquid level transmitter (10) and a 2# temperature sensor (12) are arranged in the heat storage water tank (3).
4. The heat pump constant temperature hot water system as claimed in claim 2, wherein: the controller (7) is respectively connected with the 1# liquid level transmitter (9), the 1# temperature sensor (11), the 2# liquid level transmitter (10) and the 2# temperature sensor (12) through signal lines.
5. The heat pump constant temperature hot water system as claimed in claim 1, wherein: and a water outlet of the preheating water tank (2) is also provided with a cyclone (8).
6. The heat pump constant temperature hot water system as claimed in claim 1, wherein: the volume of the preheating water tank (2) is smaller than that of the heat storage water tank (3).
7. The heat pump constant temperature hot water system as claimed in claim 1, wherein: the volume of the preheating water tank (2) is 1/3 of the heat storage water tank (3).
8. The heat pump constant temperature hot water system as claimed in claim 1, wherein: the hot water supply pump (5) is a variable frequency water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385824.6U CN211400308U (en) | 2019-12-26 | 2019-12-26 | Heat pump constant temperature hot water system and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385824.6U CN211400308U (en) | 2019-12-26 | 2019-12-26 | Heat pump constant temperature hot water system and control system |
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| CN211400308U true CN211400308U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922385824.6U Active CN211400308U (en) | 2019-12-26 | 2019-12-26 | Heat pump constant temperature hot water system and control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310333A (en) * | 2021-06-16 | 2021-08-27 | 上海电力设计院有限公司 | Novel energy-saving constant-temperature heat exchange unit suitable for low-temperature heat source indirect heating |
| CN114811716A (en) * | 2022-05-12 | 2022-07-29 | 珠海格力电器股份有限公司 | Water supply system, water supply control method, and storage medium |
-
2019
- 2019-12-26 CN CN201922385824.6U patent/CN211400308U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310333A (en) * | 2021-06-16 | 2021-08-27 | 上海电力设计院有限公司 | Novel energy-saving constant-temperature heat exchange unit suitable for low-temperature heat source indirect heating |
| CN113310333B (en) * | 2021-06-16 | 2022-07-29 | 上海电力设计院有限公司 | Novel energy-saving constant-temperature heat exchange unit suitable for low-temperature heat source indirect heating |
| CN114811716A (en) * | 2022-05-12 | 2022-07-29 | 珠海格力电器股份有限公司 | Water supply system, water supply control method, and storage medium |
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